Taser International (TASR)’s stock rose 4% to $21.33 in pre-market trade after the company announced the purchase of 623 AXON body-worn video cameras and a five-year subscription to Evidence.com by the Winston-Salem Police Department. Taser said this order was received in the fourth quarter of 2014 and is expected to ship in the fourth quarter of 2014.

On valuation measures, Taser Int’l Inc. shares are currently priced at 55.65x this year’s forecasted earnings compared to the industry’s 12.06x earnings multiple. Ticker has a PEG and forward P/E ratio of 1.80 and 43.81, respectively. Price/Sales for the same period is 6.57, while EPS is $0.37. Currently there are 4 analysts that rate TASR a ‘Buy’ vs. 1 rating it a ‘Sell’. TASR has a median Wall Street price target of $22.00 with a high target of $24.00.

In the past 12 months, shares of Scottsdale, Arizona-based company have traded between a low of $10.46 and a high of $21.01. Shares are up 29.66% year-to-date, compared with an 14.38% gain in the S&P 500.

Shares of Infoblox Inc. (BLOX) are up almost 10% in early market trading Wednesday after equity research analysts at JMP Securities raised their price target on the name to $23 from $18. JMP said it increased its PT, while maintaining an ‘Outperform’ rating on the stock, after the company reported its second positive quarterly earnings surprise, and announced that it had hired Jasper Anderson as its new CEO, with a strong background from Cisco (CSCO) and Oracle (ORCL). The firm also said it believes the automated network control solutions provider has addressed its sales execution issues.

BLOX shares recently gained $1.66 to $18.55. The stock is down more than 60.66% year-over-year and has lost roughly 48.85% year-to-date. In the past 52 weeks, shares of Santa Clara, California-based company have traded between a low of $11.67 and a high of $39.12.

Infoblox Inc. closed Tuesday at $16.89. The company has a current total market cap of $930.89M.

Seadrill Ltd (SDRL) shares tumbled 11% to $18.55 in early trade Wednesday, the most in six years, after the offshore driller controlled by billionaire John Fredriksen announced it is suspending dividend distributions due to significant deterioration in the broader markets.

“The decision to suspend the dividend has been a difficult decision for the board,” Fredriksen, Seadrill’s chairman, said in a statement. “However, taking into consideration the significant deterioration in the broader offshore drilling and financing markets over the past quarter, the board believes this is the right course of action.”

In the past 52 weeks, the Bermuda-based company has traded between a low of $20.20 and a high of $43.52, which is almost 116% above that low price. The stock, currently with a total market cap of $9.71B, is down 45.98% year-over-year and has lost roughly 45.40% year-to-date.

Shares of 21Vianet Group, Inc. (VNET) are down 14.21% to $17.81 in pre-market trade after equities research firm Canaccord Genuity downgraded its rating to ‘Hold’ from ‘Buy’. The firm also cut its 12-month base case estimate to $19 from $35. Separately, analysts at Stifel downgraded this morning VNET to ‘Hold’ from ‘Buy’ citing the company’s material reduction to the trajectory of revenue and EBITDA heading into fiscal 2015.

On valuation measures, 21Vianet Group, currently valued at $1.38B, has a median Wall Street price target of $35.00. In the past 52 weeks, shares of the Beijing-based Internet data center services provider have traded between a low of $14.23 and a high of $32.34 with the 50-day MA and 200-day MA located at $19.66 and $24.53 levels, respectively. Additionally, shares of VNET trade at a P/E ratio of 3.25 and have a Relative Strength Index (RSI) and MACD indicator of 54.49 and +0.01, respectively.

VNET currently prints a one year return of about 12.83% and a year-to-date loss of around 11.73%.

Twitter, Inc. (TWTR) — The social network has shown interest in acquiring Shots, a selfie app backed by Justin Bieber. According to reports, Twitter is attracted particularly to Shots — the app is available to both iPhone and Android users — because of a young user base of more than three million users.

Twitter shares recently gained 0.10% to $39.80. The stock is down more than 37% this year and has fallen roughly 3% over the past 12 months.